CN104500904B - The integrated active silencer of high-pressure liquid-filling pipeline - Google Patents
The integrated active silencer of high-pressure liquid-filling pipeline Download PDFInfo
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- CN104500904B CN104500904B CN201510001285.5A CN201510001285A CN104500904B CN 104500904 B CN104500904 B CN 104500904B CN 201510001285 A CN201510001285 A CN 201510001285A CN 104500904 B CN104500904 B CN 104500904B
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- pipeline section
- piezoelectric ceramic
- downstream
- upstream
- pressure liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
Abstract
The present invention is to provide a kind of integrated active silencer of high-pressure liquid-filling pipeline.Mainly include cylindrical housing, it is arranged at the actuator based on tubular piezo-electric pottery in the middle of shell, sensor inside upstream and downstream pipeline section, picking up signal between housing and actuator pipeline section and conditioning system, power amplifying system, High Speed Signal Processor System based on DSP.The present invention is to provide a kind of can be used for high-pressure liquid-filling pipeline, based on the integrated active silencer of tubular piezo-electric ceramic actuator, very high integrity.This active pipeline acoustic filter provides antinoise to go to offset original noise in pipeline according to the frequency of flow noise, size and phase place in the pipeline measured in real time, and therefore it adapts to the change of noise frequency, anechoic frequency bandwidth, and soundproof effect is good.
Description
Technical field
The present invention relates to a kind of pipeline acoustic filter, particularly a kind of integrated active silencer for active charging line.
Background technology
Pipe-line system has very important application in various industrial circles, and especially in shipping industry field, charging line system (such as domestic water pipeline and cooling water pipeline etc.) is prevalent in various ships, and plays the effect wanted emphatically.But the vibration noise of charging line system is never well controlled, become a difficult problem of puzzlement people.Installing acoustic filter in charging line is a kind of most widely used method.The noise elimination frequency band of traditional resistive or anti-formula acoustic filter and what acoustic attenuation performance just determined that after structure is determined, it is impossible to adapt to the change of the pipe-line system noise frequency caused due to the change of pump operation operating mode.Therefore traditional acoustic filter can not the change of tracking noise frequency and reach the soundproof effect of the best.
Summary of the invention
It is an object of the invention to provide the integrated active silencer of high-pressure liquid-filling pipeline that a kind of noise reduction is good.
The object of the present invention is achieved like this:
Including shell 1, upstream pipeline section 3, downstream pipeline section 5, tubular piezo-electric ceramic actuator 2 is set in the middle of shell, tubular piezo-electric ceramic actuator links with upstream pipeline section 3 and downstream pipeline section 5 respectively, upstream line pressure pulsation sensor 4 and downstream line pressure pulsation sensor 6 it is respectively provided with inside upstream pipeline section 3 and downstream pipeline section 5, a cavity is formed between shell 1 and water lines, picking up signal and conditioning system 7 are installed inside described cavity, power amplifying system 8, process signaling system 9, signal processing system 9 is connected with picking up signal and conditioning system 7 and power amplifying system 8 simultaneously, external cable 14 and picking up signal and conditioning system 7, power amplifying system 8, signal processing system 9 is simultaneously connected with, picking up signal and conditioning system 7 are connected with upstream sensor 4 and downstream sensor 6 simultaneously, power amplifying system 8 is connected with the piezoelectric ceramic actuator 2 of tubulose.
The present invention can also include:
1, each with one section of boss on upstream pipeline section 3 and downstream pipeline section 5, upstream sensor 4 is arranged on inside the boss 15 of upstream pipeline section, is circular layout；Downstream sensor 6 is arranged on inside the boss 17 of downstream pipeline section, is circular layout.
2, between upstream sensor 4 and downstream sensor 6 with corresponding boss, damping material is set.
3, the piezoelectric ceramic actuator 2 of tubulose is connected with upstream pipeline section 3 and downstream pipeline section 5 respectively by two Flexible Connectors 12,13.
4, elasticity is adopted to install between picking up signal and conditioning system 7, power amplifying system 8 and process signaling system 9 and shell.
5, described tubular piezo-electric ceramic actuator 2 includes piezoelectric ceramic tube 21, and piezoelectric ceramic tube 21 is encapsulated in epoxy resin 22, is fixed on pedestal 23, and outside is provided with sleeve pipe 24, and piezoelectric ceramic tube 21 is connected with the external world by a cable 25.
The invention provides a kind of can be used for high-pressure liquid-filling pipeline, based on the integrated active silencer of tubular piezo-electric ceramic actuator, very high integrity.This active pipeline acoustic filter provides antinoise to go to offset original noise in pipeline according to the frequency of flow noise, size and phase place in the pipeline measured in real time, and therefore it adapts to the change of noise frequency, anechoic frequency bandwidth, and soundproof effect is good.
Accompanying drawing explanation
Fig. 1 is the main sectional view of structure of the present invention.
Fig. 2 is the Section A-A figure of Fig. 1.
Fig. 3 is the main sectional view of tubular piezo-electric ceramic actuator.
Detailed description of the invention
Below in conjunction with accompanying drawing citing, the present invention is described in more detail.
In conjunction with Fig. 1-Fig. 3, the integrated active silencer of high-pressure liquid-filling pipeline based on tubular piezo-electric ceramic actuator of the present invention includes shell 1, it is arranged at the tubular piezo-electric ceramic actuator 2 in the middle of shell, upstream pipeline section 3 and be installed on the upstream line pressure pulsation sensor 4 inside it, downstream pipeline section 5 and be installed on the downstream line pressure pulsation sensor 6 inside it, picking up signal and conditioning system 7, power amplifying system 8, High Speed Signal Processor System 9 based on DSP, upstream and downstream adpting flange 10,11, elastic connection 12,13.
The present invention is arranged in tubing by two flanges 10,11；The piezoelectric ceramic actuator 2 of tubulose is connected with upstream pipeline section 3 and downstream pipeline section 5 respectively by two elastic connections 12,13, so can isolate the transmission of the upwards downstream pipeline section 3,5 of the tube wall vibration owing to causing when piezoelectric ceramic actuator 2 works, in order to avoid pollution upstream sensor 4 and downstream sensor 6 measure the tube noise signal arrived；Forming a cavity between shell 1 and water lines, the inside is provided with picking up signal and conditioning system 7, power amplifying system 8, high speed processing signaling system 9 based on DSP, adopts elasticity to install between three and shell；High Speed Signal Processor System 9 based on DSP is connected with picking up signal and conditioning system 7 and power amplifying system 8 simultaneously, external cable 14 and picking up signal and conditioning system 7, power amplifying system 8, High Speed Signal Processor System 9 based on DSP are simultaneously connected with, and power for three and detect the duty of three；Picking up signal and conditioning system 7 are connected with upstream sensor 4 and downstream sensor 6 simultaneously, to measure noise in the pipeline of upstream and downstream, its signal measured is transferred to the High Speed Signal Processor System 9 based on DSP, corresponding control signal is calculated according to control algolithm for it, control signal is transferred to power amplifying system 8, power amplifying system 8 is connected with the piezoelectric ceramic actuator 2 of tubulose, works with drive ram；Upstream sensor 4 is arranged on inside upstream pipeline section boss 15, it is circular layout, isolate with damping material 16 between upstream sensor 4 and boss 15 metal, between boss 15 and shell 1, between shell 1 and upstream pipeline section 3, between boss 15 and upstream pipeline section 3, it is both needed to full seam welding, to prevent fluid seepage in pipeline；Equally, downstream sensor 6 is arranged on inside downstream pipeline section boss 17, it is circular layout, isolate with damping material 18 between downstream sensor 6 and boss 17 metal, between boss 17 and shell 1, between shell 1 and downstream pipeline section 5, between boss 17 and downstream pipeline section 5, it is both needed to full seam welding, to prevent fluid seepage in pipeline.
The present invention is connected in pipe-line system by upstream and downstream adpting flange 10,11.Upstream sensor 4 measures ducts upstream noise signal, pass to picking up signal and conditioning system 7, export to the High Speed Signal Processor System 9 based on DSP by signal processing, as the reference-input signal controlling system, downstream sensor 6 measures pipe downstream noise signal simultaneously, pass to picking up signal and conditioning system 7, export to the High Speed Signal Processor System 9 based on DSP by signal processing, as the error signal controlling system.Control system is according to reference signal and error signal, control signal is calculated by certain control algolithm, control signal is exported to power amplifying system 8 by the High Speed Signal Processor System 9 based on DSP, through the piezoelectric ceramic actuator 2 of power amplification rear drive tubulose, the tubular piezo-electric pottery in actuator is deformed acting on tube fluid.This sensor place acting on downstream pipeline section produces the noise anti-phase with noise constant amplitude in former pipeline, thus controlling the flow noise of pipeline middle and lower reaches.
Claims (9)
1. the integrated active silencer of high-pressure liquid-filling pipeline, including shell (1), upstream pipeline section (3), downstream pipeline section (5), it is characterized in that: tubular piezo-electric ceramic actuator (2) is set in the middle of shell, tubular piezo-electric ceramic actuator links with upstream pipeline section (3) and downstream pipeline section (5) respectively, upstream pipeline section (3) and downstream pipeline section (5) inner side are respectively provided with upstream line pressure pulsation sensor (4) and downstream line pressure pulsation sensor (6), a cavity is formed between shell (1) and water lines, picking up signal and conditioning system (7) are installed inside described cavity, power amplifying system (8), process signaling system (9), signal processing system (9) is connected with picking up signal and conditioning system (7) and power amplifying system (8) simultaneously, external cable (14) and picking up signal and conditioning system (7), power amplifying system (8), signal processing system (9) is simultaneously connected with, picking up signal and conditioning system (7) are connected with upstream sensor (4) and downstream sensor (6) simultaneously, (8 are connected power amplifying system with the piezoelectric ceramic actuator (2) of tubulose.
2. the integrated active silencer of high-pressure liquid-filling pipeline according to claim 1, it is characterized in that: upstream pipeline section (3) and downstream pipeline section (5) are upper each with one section of boss, upstream sensor (4) is arranged on boss (15) inner side of upstream pipeline section, is circular layout；Downstream sensor (6) is arranged on boss (17) inner side of downstream pipeline section, is circular layout.
3. the integrated active silencer of high-pressure liquid-filling pipeline according to claim 1 and 2, is characterized in that: arrange damping material between upstream sensor (4) and downstream sensor (6) and corresponding boss.
4. the integrated active silencer of high-pressure liquid-filling pipeline according to claim 1 and 2, is characterized in that: the piezoelectric ceramic actuator (2) of tubulose is connected with upstream pipeline section (3) and downstream pipeline section (5) respectively by two Flexible Connectors (12,13)；Elasticity is adopted to install between picking up signal and conditioning system (7), power amplifying system (8) and process signaling system (9) and shell.
5. the integrated active silencer of high-pressure liquid-filling pipeline according to claim 3, is characterized in that: the piezoelectric ceramic actuator (2) of tubulose is connected with upstream pipeline section (3) and downstream pipeline section (5) respectively by two Flexible Connectors (12,13)；Elasticity is adopted to install between picking up signal and conditioning system (7), power amplifying system (8) and process signaling system (9) and shell.
6. the integrated active silencer of high-pressure liquid-filling pipeline according to claim 1 and 2, it is characterized in that: described tubular piezo-electric ceramic actuator (2) includes piezoelectric ceramic tube (21), in piezoelectric ceramic tube (21) is encapsulated in epoxy resin (22), being fixed on that pedestal (23) is upper, outside is provided with sleeve pipe (24), piezoelectric ceramic tube (21) is connected with extraneous by a cable (25).
7. the integrated active silencer of high-pressure liquid-filling pipeline according to claim 3, it is characterized in that: described tubular piezo-electric ceramic actuator (2) includes piezoelectric ceramic tube (21), in piezoelectric ceramic tube (21) is encapsulated in epoxy resin (22), being fixed on that pedestal (23) is upper, outside is provided with sleeve pipe (24), piezoelectric ceramic tube (21) is connected with extraneous by a cable (25).
8. the integrated active silencer of high-pressure liquid-filling pipeline according to claim 4, it is characterized in that: described tubular piezo-electric ceramic actuator (2) includes piezoelectric ceramic tube (21), in piezoelectric ceramic tube (21) is encapsulated in epoxy resin (22), being fixed on that pedestal (23) is upper, outside is provided with sleeve pipe (24), piezoelectric ceramic tube (21) is connected with extraneous by a cable (25).
9. the integrated active silencer of high-pressure liquid-filling pipeline according to claim 5, it is characterized in that: described tubular piezo-electric ceramic actuator (2) includes piezoelectric ceramic tube (21), in piezoelectric ceramic tube (21) is encapsulated in epoxy resin (22), being fixed on that pedestal (23) is upper, outside is provided with sleeve pipe (24), piezoelectric ceramic tube (21) is connected with extraneous by a cable (25).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510001285.5A CN104500904B (en) | 2015-01-04 | 2015-01-04 | The integrated active silencer of high-pressure liquid-filling pipeline |
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| CN201510001285.5A CN104500904B (en) | 2015-01-04 | 2015-01-04 | The integrated active silencer of high-pressure liquid-filling pipeline |
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| CN104500904B true CN104500904B (en) | 2016-06-29 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244014B (en) * | 2015-10-13 | 2020-09-11 | 哈尔滨工程大学 | Active and passive integrated composite muffler device for liquid charging pipeline |
| CN105257943B (en) * | 2015-11-09 | 2017-10-24 | 西南交通大学 | A kind of fluid pressure line fluid pulsation attenuating device based on Piezoelectric Shunt Damping System technology |
| CN105464772B (en) * | 2016-01-13 | 2017-12-19 | 哈尔滨工程大学 | A kind of electrodynamic type elastic plate actively insulates against sound actuator |
| CN106090521B (en) * | 2016-05-26 | 2018-01-19 | 哈尔滨工程大学 | Liquid-filling pipe low frequency drum-type active-passive composite sound-attenuating system |
| CN112696553A (en) * | 2020-12-21 | 2021-04-23 | 东北大学 | Intelligent active control type high-pressure pipeline pressure pulsation vibration damping device and method |
| CN114382981A (en) * | 2022-01-05 | 2022-04-22 | 中国人民解放军海军工程大学 | Active and passive muffler device for liquid filling pipeline |
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| US5513266A (en) * | 1994-04-29 | 1996-04-30 | Digisonix, Inc. | Integral active and passive silencer |
| CN104165256A (en) * | 2013-05-17 | 2014-11-26 | 中国科学院声学研究所 | Active sound eliminator for ventilation pipeline system |
| CN204403664U (en) * | 2015-01-04 | 2015-06-17 | 哈尔滨工程大学 | The integrated active silencer of high-pressure liquid-filling pipeline |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956884B (en) * | 2010-07-15 | 2012-05-09 | 哈尔滨工程大学 | Novel semi-active control device for pipe exhaust noise |
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| US5513266A (en) * | 1994-04-29 | 1996-04-30 | Digisonix, Inc. | Integral active and passive silencer |
| CN104165256A (en) * | 2013-05-17 | 2014-11-26 | 中国科学院声学研究所 | Active sound eliminator for ventilation pipeline system |
| CN204403664U (en) * | 2015-01-04 | 2015-06-17 | 哈尔滨工程大学 | The integrated active silencer of high-pressure liquid-filling pipeline |
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| 充液管道振动噪声有源控制技术的研究进展;率志君;《第十届船舶水下噪声学术讨论会论文集》;20050801;61-64页 * |
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